Finding the Fourth Proportional to 3,408,315.48, 4,702,897.32 and 2,031,634.53
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Solution
The fourth proportional to 3,408,315.48, 4,702,897.32 and 2,031,634.53 is: 2,803,311.09
Step by Step Solution
- Step 1: Write the proportion equation
3,408,315.48 : 4,702,897.32 = 2,031,634.53 : x - Step 2: Convert to fraction form
3,408,315.48/4,702,897.32 = 2,031,634.53/x - Step 3: Cross multiply
3,408,315.48x = 4,702,897.32 × 2,031,634.53 - Step 4: Simplify right side
3,408,315.48x = 9,554,568,586,356.46 - Step 5: Solve for x
x = 9,554,568,586,356.46/3,408,315.48 - Step 6: Final answer
x = 2,803,311.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.